public AnalyzerResult Analyze()
{
var dataFlowAnalysis = _semanticModel.AnalyzeDataFlow(_selectionResult.FirstStatement(), _selectionResult.LastStatement());
var symbolMap = GetSymbolMap(_semanticModel);
GenerateVariableInfoMap(_semanticModel, dataFlowAnalysis, symbolMap, out var variableInfoMap);
var isInExpressionOrHasReturnStatement = IsInExpressionOrHasReturnStatement(_semanticModel);
var(parameters, returnType, variableToUseAsReturnValue) =
GetSignatureInformation(dataFlowAnalysis, variableInfoMap, isInExpressionOrHasReturnStatement);
var typeParametersInDeclaration = new List <ITypeParameterSymbol>();
var typeParametersInConstraintList = new List <ITypeParameterSymbol>();
var awaitTaskReturn = false;
var instanceMemberIsUsed = false;
var shouldBeReadOnly = false;
var endOfSelectionReachable = true;
return(new AnalyzerResult(
_semanticDocument,
typeParametersInDeclaration,
typeParametersInConstraintList,
parameters,
variableToUseAsReturnValue,
returnType,
awaitTaskReturn,
instanceMemberIsUsed,
shouldBeReadOnly,
endOfSelectionReachable));
}
private BlockSyntax SplitOrMoveDeclarationIntoMethodDefinition(BlockSyntax body, CancellationToken cancellationToken)
{
var statements = body.Statements;
var postProcessor = new PostProcessor(_semanticDocument.SemanticModel, _selectionResult.FirstStatement().SpanStart);
var variables = _analyzerResult.GetVariablesToSplitOrMoveIntoMethodDefinition(cancellationToken);
var declarationStatements = CreateDeclarationStatements(variables);
declarationStatements = postProcessor.MergeDeclarationStatements(declarationStatements);
return(SyntaxFactory.Block(declarationStatements.Concat(statements)));
}
public static void ReplaceRangeNodes(this SyntaxEditor editor, SelectionResult selectionResult, IEnumerable <SyntaxNode> nodes)
{
var firstStatement = selectionResult.FirstStatement();
var firstNodeToInsert = nodes.First();
editor.ReplaceNode(firstStatement, firstNodeToInsert);
foreach (var statementSyntax in selectionResult.OtherThanFirstStatements())
{
editor.RemoveNode(statementSyntax);
}
var otherNodes = nodes.Skip(1);
if (!otherNodes.Any())
{
return;
}
editor.InsertAfter(firstStatement, otherNodes);
}